assault, making terrorist tick 100 degrees. through the lehigh valley, threats and reckless closer to 90 degrees. endangerment. they are working to identify three more people involved. 91 in wildwood. with the temperatures being so hot and also the threat of for many students, this storms, we do have a first alert means opening a new chapter in day for today. we told you about this life. >> students at up with charter yesterday. we still have the heat advisory school are celebrating a big until 7:00 p.m. this evening, meaning many areas could still achivement. more than 90% of its senior feel close to 100. then we have the threat of some class is graduating today. thunderstorms later on tonight. some of these storms could be strong bringing heavy rain, lightning and some could bring >> reporter: it's a familiar gusty winds, too. sight, caps, gowns, diplomas. the heat advisory is still around the i-95 corridor until but at this charter high school, 7:00 p.m. with high this year is different. temperatures, high humidity >> i cried five times. feeling close to triple digits. i'm trying to wipe the tears. if you will be outside, drink plenty of water, try to stay >> reporter: 92% of the class graduated. cool. loy, why is that significant? the city's graduation rate is closer to 60%. >> it's a struggle. but i think that we're winning. >> reporter: this man is the chairman of the company which manages the charter. before they got involved, it was one of the worst schools in the district. >> tears come to my eyes.